Let's talk about the interesting cold knowledge you know.

1. When you see someone or something you like, your pupils will be dilated by 45%.

2. essential balm can be eaten, and oral administration can treat sore throat.

3. pearls will dissolve in vinegar.

Cats can make sounds above 100, while dogs can only make ten kinds of sounds.

Adults have fewer bones than babies. People are born with 350 bones. With the increase of age, some bones twisted into one piece, leaving only 206 bones.

6. The nails are 0.25cm long every month. Fingernails grow faster than toenails. Frequently used hands have the fastest nails.

7. The number of days to urinate in a lifetime is 36 days, and women will urinate for 40 days in their lifetime, so women live longer than men.

8. My mother-in-law stabbed Yue Fei in the back with "loyalty to the country" instead of "loyalty to the country".

9. No piece of paper can be folded in half more than 9 times, not even a thin napkin.

Lobster blood is blue.

1 1. Except leap year, what day is the last day of a year?

12. People eat bananas most easily to attract mosquitoes.

13. Babies can breathe and swallow at the same time, but adults can't.

14. When you see a statue of a knight, if the horse is flying on all fours, then this person is killed; If a horse's front foot is raised, then the person was killed because he was seriously injured in the battle; If all four feet of the horse land, then the person dies of natural causes.

15. Each suit of K in playing cards represents a great king in history: spades and clubs are Alexander the Great, hearts are, and diamonds are Julius Caesar.

16. People don't die because they hold their breath.

17. Ordinary men speak 2000 to 4000 words a day, ordinary women speak 8000 to 10000 words a day, and individual women speak more than 20000 words a day.

18. Men's eyesight is better than women's, and women's hearing is better than men's, so men learn to tell directions more easily, while women know music better.

19. Wearing earplugs for one hour will increase the number of bacteria in the ears by 700 times.

20. The brain is more active when sleeping than when watching TV.

2 1. Even without a head, cockroaches can still live 10 days.

22. The whale's heart beats only nine times a minute.

23. Roses and apples belong to the same family, and lilies and scallions belong to the same family.

24. When dropping eye drops, your mouth will open slightly and your eyes will not turn around.

25. Humans can perceive three primary colors: red, green and blue. All the colors we see are a mixture of red, green and blue; Pigeons' visual nerves can detect five primary colors, that is to say, the world they see is colorful beyond our imagination.

26. There are 4.96 million bacteria attached to human skin per square centimeter, but fortunately most of them are harmless bacteria.